Of course, not all networks create something that is useful, valuable, and shared, let alone something that is positive. When we say “good” we really just mean any old thing: pistols and poisons are goods too. And networks can function as conduits for pathogens or panic. Indeed, social networks can be exploited for bad ends.
Welcome, you have found one of my resources. Make sure you see everything it is linked to at the bottom. You can also go to my resources to find a searchable index of all the quotes, books, podcasts, webpages...I have catalogued.